code: def merge_src_and_trg_to_utts(
      src_dicts: List, trg_dicts: List, name: str = "iwslt"
  ) -> List:
      output_list: List = []
      for n, (src_dict, trg_dict) in enumerate(
          zip(src_dicts, trg_dicts)
      ):
          out: Dict = {
              "input": [],
              "output": [trg_dict, src_dict],
              "utt2spk": "{}_{}".format(name, n),
          }
          output_list.append(("{}_{}".format(name, n), out))
      return output_list
  
file_path: espnet/egs/iwslt16/mt1/local/generate_json.py
imports: import argparse
  import json
  import os
  from logging import getLogger
  from typing import Dict, List
label_desc: Use image node_id 4 for calling a global function with example usage: merge_src_and_trg_to_utts(src_dicts, trg_dicts, name) and returns: output_list